The piranha is also called piranha pomfret and water tiger fish, with the English name Piranha (or) , living in the Oriloco and Amazon River Basin in South America.
Now domestic piranhas are generally imported as ornamental fish, in addition to the red-bellied piranha, other varieties can not be reproduced in China, so the price is very expensive, the red-bellied 2cm fry to 30-50 yuan a fish, and other imported varieties of 5cm will be 100-1,000 dollars ranging from the adults to tens of thousands of dollars, so there will be no one would like to throw him into the lake. Even if it is artificially put in, but also can not survive this winter, because the piranha live in the Amazon River Basin year-round water temperature of more than 20 degrees, the water temperature is lower than 14 degrees will be frozen to death. Water tiger fish is actually fragile, vigilant, timid, he will not easily attack animals larger than their size, unless threatened or poor food, and is not as scary as the legend says, the residents of the Amazon River in the rainy season when the water level is high in the season are swimming in the river. You search the video "explore the world of the Amazon piranha" to see it will understand